Home / 691,021.78-1,036,680.26-241,757.31

Finding the Fourth Proportional to 691,021.78, 1,036,680.26 and 241,757.31

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Solution

The fourth proportional to 691,021.78, 1,036,680.26 and 241,757.31 is: 362,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,021.78 : 1,036,680.26 = 241,757.31 : x
  2. Step 2: Convert to fraction form
    691,021.78/1,036,680.26 = 241,757.31/x
  3. Step 3: Cross multiply
    691,021.78x = 1,036,680.26 × 241,757.31
  4. Step 4: Simplify right side
    691,021.78x = 250,625,030,987.70
  5. Step 5: Solve for x
    x = 250,625,030,987.70/691,021.78
  6. Step 6: Final answer
    x = 362,687.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.